Figure 4From: Roles of iron acquisition systems in virulence of extraintestinal pathogenic Escherichia coli: salmochelin and aerobactin contribute more to virulence than heme in a chicken infection modelLiver sections of chickens infected via air sac inoculation with virulent wild-type strains or iron acquisition mutants. Magnification,×400. Liver sections of chickens infected with E058 (A), E058Δ chuT (B), E058Δ iroD (C), E058Δ iucD (D), E058Δ chuT Δ iroD Δ iucD (E), U17 (F), U17Δ chuT (G), U17Δ iroD (H), U17Δ iucD (I), U17Δ chuT Δ iroD Δ iucD (J). Liver section of a mock bird (K).Back to article page